TDA18273HN/C1,557

Video Processing Overview

The TDA18273HN is a hybrid silicon tuner for terrestrial and cable TV reception, supporting analog and digital signals. It delivers a Low IF signal to demodulators. The device operates on a single 3.3 V supply with an RF frequency range of 42 to 870 MHz. Key electrical parameters include a typical noise figure of 4.0 dB, phase jitter of 0.4 degrees, image rejection of 63 dB, CSO of -60 dBc, CTB of -65 dBc, and a 1 dB input compression point of 122 dBμV.

Video Processing Feature Summary

• Fully integrated IF selectivity eliminates the need for external SAW filters
• Supports worldwide multistandard terrestrial and cable reception
• Includes fully integrated oscillators and alignment-free operation
• Features I2C-bus interface compatible with 3.3 V microcontrollers

Video Processing Applications

• Terrestrial TV reception
• Cable TV reception
• Analog TV signal processing
• Digital TV channel demodulation

Video Processing Procurement Notes

Verify the specific ordering suffix against official NXP documentation to confirm package type and environmental compliance status. Confirm current product lifecycle status as datasheets may indicate obsolescence or end-of-life dates. Ensure design compatibility with required voltage levels and interface protocols before procurement.

Video Processing Selection Notes

Select this component for applications requiring a fully integrated tuner solution without external SAW filters. Verify that the system supports the required 3.3 V supply voltage and I2C communication protocol. Consider the thermal performance requirements associated with the HVQFN package and junction temperature limits during selection.

Video Processing Part Context

This part belongs to the TDA182 series of silicon tuners manufactured by NXP Semiconductors. It is designed specifically for hybrid analog and digital TV reception in both terrestrial and cable environments. The device integrates multiple functions typically found in discrete tuner designs into a single compact package.

Video Processing Replacement Considerations

Consult official NXP documentation for confirmed substitute part numbers. Verify pinout and functional compatibility if replacing with other models from the same family.